Coup d'etats are most often

extremely pieceful

very violent

unsuccesful

long lasting

Coup d'etats are most often very violent.

If you want to overthrow a ruler, you cannot do it in a peaceful manner.

Coups are carried out by the military. They are carried out by those who have the soldiers on their side.

Coup d'etats are most often very violent.

Explanation:

The coup is when a country or a team struggle against catching something that is not theirs. The expression coup d'état is French, actually meaning a "stroke of state" or "blow upon the state". In French the word "État" Although the idea of a coup d'état has featured in politics since antiquity, the phrase is of comparatively recent coinage.